在asp.net中长内容自动分页的实现-.NET教程2

using System; 
using System.Data; 

 using System.Configuration; 

 using System.Collections; 

 using System.Web; 

 using System.Web.Security; 

 using System.Web.UI; 

 using System.Web.UI.WebControls; 

using System.Web.UI.WebControls.WebParts; 

 using System.Web.UI.HtmlControls; 
 
public partial class Page : System.Web.UI.Page 
{ 
private string str;//字符15 private int strl;//字符总长度16 private int pagesize;//每页显示的字符数17 protected void Page_Load(object sender, EventArgs e) 
{ 
// 在此处放置用户代码以初始化页面 20 str = "1234567891234567898522555"; 
pagesize = 3; 
strl = str.Length; 
Response.Write(strl); 
substr(); 
} 
 
private void substr() 
{ 
int ct = Int32.Parse(Request.QueryString["page"]); 
if (strl == (strl / pagesize) * pagesize)//看看页面的总记录是否能被每页的记录数整除31 { 
for (int i = 1; i <= strl / pagesize; i++) 
{ 
Response.Write("页:<a href="page.aspx?page=" mce_href="page.aspx?page="" + i + ">" + (i) + "</" + "a>"); 
} 
string s = str.Substring(pagesize * ct - pagesize, pagesize); 
Response.Write(s); 
} 
else if (ct * pagesize > strl)//在不被整除的情况下,最后一页的设置,如字符长13,每页3,则处理最后那一页的显示40

 { 

 for (int i = 1; i <= (strl / pagesize) + 1; i++) 
{ 
Response.Write("页:<a href="page.aspx?page=" mce_href="page.aspx?page="" + i + ">" + (i) + "</" + "a>"); 
} 
string s = str.Substring((ct - 1) * pagesize, strl - (ct - 1) * pagesize); 
Response.Write(s); 
} 

 else //在不被整除的情况下其他页面的显示设置49 { 
for (int i = 1; i <= strl / pagesize + 1; i++) 
{ 
Response.Write("页:<a href="page.aspx?page=" mce_href="page.aspx?page="" + i + ">" + (i) + "</" + "a>"); 
} 
string s = str.Substring(pagesize * ct - pagesize, pagesize); \

 Response.Write(s); 
}
} 
}

：http://blog.csdn.net/duanxifeng888/archive/2010/08/22/5830468.aspx